amounts of Omega-3. The proteins in meat will enhance and create added muscle growth. The more the better! 5. Add Supplements to Your Diet In order to get the most out of your muscle fitness workouts, add supplements like glutamine and creative. If you have a low level of glutamine it will only prevent optimal muscle growth. By adding supplements such as glutamine you will encourage more growth. 6. Take It to the Max another solution to how to build muscle mass is to train heavy and push yourself. Instead of 3 sets of 6 reps with 35 pound curls, push it to 50 pounds and do 1 set of 10.